The man in the hat who fled after the attack at the Brussels Zaventem airport, was identified as Faisal Cheffou, Belgian broadcaster RTBF reported on Saturday.
Cheffou was arraigned on Thursday by the Belgian federal prosecutor, the report said.
On Tuesday, two explosions at Brussels airport and another one at Maelbeek metro station near the European Union institutions killed at least 31 people and injured another 300, according to official figures.
